[INFO] updating cached repository virome/rustic-6502
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/virome/rustic-6502
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/virome/rustic-6502" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/virome/rustic-6502"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/virome/rustic-6502'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/virome/rustic-6502" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/virome/rustic-6502"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/virome/rustic-6502'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c4ab03a234155b3cda1e706201f59b6bcf0d1e8
[INFO] sha for GitHub repo virome/rustic-6502: 8c4ab03a234155b3cda1e706201f59b6bcf0d1e8
[INFO] validating manifest of virome/rustic-6502 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of virome/rustic-6502 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing virome/rustic-6502
[INFO] finished frobbing virome/rustic-6502
[INFO] frobbed toml for virome/rustic-6502 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/virome/rustic-6502/Cargo.toml
[INFO] started frobbing virome/rustic-6502
[INFO] finished frobbing virome/rustic-6502
[INFO] frobbed toml for virome/rustic-6502 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/virome/rustic-6502/Cargo.toml
[INFO] crate virome/rustic-6502 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking virome/rustic-6502 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/virome/rustic-6502:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0d0a241c1629069c3c30e4d0ae914e705c52755e68707153d4de891a3526d90a
[INFO] running `"docker" "start" "-a" "0d0a241c1629069c3c30e4d0ae914e705c52755e68707153d4de891a3526d90a"`
[INFO] [stderr]     Checking rustic-6502 v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io; // For debugging
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/cpu.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io; // For debugging
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prefix`
[INFO] [stderr]   --> src/main.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 |                         let (prefix, number) = arg.split_at(2);
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_prefix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Err(e) => panic!("File \"{}\" could not be opened.", &filename),
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/main.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Ok(size) => (),
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Err(e) => panic!("File \"{}\" could not be read.", &filename),
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `prefix`
[INFO] [stderr]   --> src/main.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 |                         let (prefix, number) = arg.split_at(2);
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_prefix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |         Err(e) => panic!("File \"{}\" could not be opened.", &filename),
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/main.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Ok(size) => (),
[INFO] [stderr]    |            ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         Err(e) => panic!("File \"{}\" could not be read.", &filename),
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FINTERUPT`
[INFO] [stderr]   --> src/cpu.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const FINTERUPT: u8 = 0b0000_0100;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FBRK`
[INFO] [stderr]   --> src/cpu.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const FBRK: u8 =      0b0001_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FINTERUPT`
[INFO] [stderr]   --> src/cpu.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const FINTERUPT: u8 = 0b0000_0100;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FBRK`
[INFO] [stderr]   --> src/cpu.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const FBRK: u8 =      0b0001_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "0d0a241c1629069c3c30e4d0ae914e705c52755e68707153d4de891a3526d90a"`
[INFO] running `"docker" "rm" "-f" "0d0a241c1629069c3c30e4d0ae914e705c52755e68707153d4de891a3526d90a"`
[INFO] [stdout] 0d0a241c1629069c3c30e4d0ae914e705c52755e68707153d4de891a3526d90a